Throwing up a new theory: Why AR / VR make you nauseated

The tussle the brain faces, trying to process two realities, is part of the problem. Slow optical-refresh rates don't help. Fixes could come via the US military

As augmented-reality and virtual-reality sunglasses, headsets and work environments become more common, questions are floating to the surface.

Are they worth the price (the Apple Vision Pro costs $3,500 or about ₹3 lakh; Ray-Ban’s Meta smart glasses cost $299, or about ₹25,000)? Can gesture and virtual computing really work? And, a key one: How do we fix how we feel about them?

Use an augmented-reality headset for more than a few minutes and a sense of disorientation kicks